Add split navigation shortcuts to neovim

hosts/home.nix

@@ -5,7 +5,7 @@ let
 in
 {
   imports = [
-    ../neovim.nix
+    ../neovim
     ../ranger.nix
     ../fcitx5
     ../picom.nix

neovim/default.nix

@@ -7,13 +7,6 @@
     vimAlias = true;
     defaultEditor = true;
     plugins = with pkgs.vimPlugins; [ vim-nix ];
-    extraConfig = ''
+    extraConfig = builtins.readFile ./vimrc;
-    " Temporary configuration for editing Nix files
-    syntax on
-    set autoindent
-    set expandtab
-    set tabstop=2
-    set shiftwidth=2
-    '';
   };
 }

neovim/vimrc

@@ -0,0 +1,12 @@
+" Temporary configuration for editing Nix files
+syntax on
+set autoindent
+set expandtab
+set tabstop=2
+set shiftwidth=2
+
+" Shortcutting split navigation
+map <C-h> <C-w>h
+map <C-j> <C-w>j
+map <C-k> <C-w>k
+map <C-l> <C-w>l